#include <Wire.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#include <Adafruit_MPU6050.h>
#include <Adafruit_Sensor.h>

// DS18B20 pin (PB9 in your wiring)
#define ONE_WIRE_BUS PB9
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

// MPU6050 object
Adafruit_MPU6050 mpu;

void setup() {
  Serial.begin(115200);

  // Start DS18B20
  sensors.begin();

  // Start I2C (SDA=PB7, SCL=PB6 for Blue Pill)
  Wire.begin(PB7, PB6);

  // Initialize MPU6050
  if (!mpu.begin()) {
    Serial.println("Failed to find MPU6050 chip!");
    while (1) {
      delay(10);
    }
  }
  Serial.println("MPU6050 Found!");

  // Configure accelerometer & gyro ranges
  mpu.setAccelerometerRange(MPU6050_RANGE_2_G);
  mpu.setGyroRange(MPU6050_RANGE_250_DEG);
  mpu.setFilterBandwidth(MPU6050_BAND_21_HZ);
}

void loop() {
  // --- DS18B20 ---
  sensors.requestTemperatures();
  float tempC = sensors.getTempCByIndex(0);
  Serial.print("Temp: ");
  Serial.print(tempC);
  Serial.println(" °C");

  // --- MPU6050 ---
  sensors_event_t a, g, temp;
  mpu.getEvent(&a, &g, &temp);

  Serial.print("Accel X: "); Serial.print(a.acceleration.x);
  Serial.print(" m/s^2, Y: "); Serial.print(a.acceleration.y);
  Serial.print(" m/s^2, Z: "); Serial.print(a.acceleration.z);
  Serial.println(" m/s^2");

  delay(1000);
}